Blower Door Directed Air Sealing in a Zero Energy Home (ZEH)

Using the blower door test to help detect and seal air leaks both before and after the interior wall is installed is a very effective strategy for air sealing both zero energy homes and all green homes. The blower door test is also used for determining the Air Changes per Hour (ACH) and is an important part of determining the Energy Performance Score (EPS) for a home. For more information on building zero energy homes visit

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